A/D Port Configuration Register (Adpc) - Renesas RL78/G1P Hardware User Manual

RL78/G1P

4.3.5 A/D port configuration register (ADPC)

This register switches the ANI0/P20to ANI7/P27 pins to digital I/O of port or analog input of A/D converter.
The ADPC register can be set by an 8-bit memory manipulation instruction.
Reset signal generation clears this register to 00H.
Address: F0076H After reset: 00H
Symbol 7
ADPC ADPC7 ADPC6
ADPCn
0 Analog input (A) (default)
1 Digital I/O (D)
Note These are not provided in 24-pin products.
Cautions 1. Set the port to analog input by ADPC register to the input mode by using port mode register 2
(PM2).
2. Do not set the pin set by the ADPC register as digital I/O by the analog input channel
specification register (ADS).
3. When using AV
to the input mode.
R01UH0895EJ0100 Rev.1.00
Nov 29, 2019
Figure 4-20. Format of A/D Port Configuration Register (ADPC)
R/W
6 5
Note Note
ADPC5 ADPC4
Analog input (A)/digital I/O (D) selection of P2n/ANIn
and AV , set ANI0 and ANI1 to analog input and set the port mode register
REFP REFM
4 3
Note
ADPC3 ADPC2
CHAPTER 4 PORT FUNCTIONS
2 1
ADPC1 ADPC0
0
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